On World Water Day, I'd like to share with you a strong collection of images from southern China, showing local activists fighting against industrial pollution in their waterways, and cancer sufferers in so-called "cancer villages", linked to pollution from hazardous chemicals. Earlier this year, China's environment ministry released a report officially acknowledging the existence of these villages for the first time and signaling its willingness to address toxic water pollution. Greenpeace reached out to World Press Photo award-winner Lu Guang and other photographers to bear witness and has allowed me to share their images here on World Water Day, in an effort to bring this environmental and human tragedy to the world's attention. Photos and captions were provided by the photographers and Greenpeace. [17 photos total]

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